/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 d3leaf@126.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.mapperdb.provider;

import static com.mapperdb.helper.SqlNodeHelper.getIfColumnNodeAll;

import java.util.Map;
import org.apache.ibatis.scripting.xmltags.SqlNode;

public class DeleteMapperProvider extends BaseMapperProvider {

	/**
	 * 通过条件删除
	 * @return
	 */
	public SqlNode delete() {
		//delete from table
		addSqlNode("DELETE FROM " + resultEntity.tableName());
		//where/if判断条件
		addWhereSqlNode(getIfColumnNodeAll(resultEntity));
		return toSqlNode();
	}

	/**
	 * 通过主键删除
	 */
	public SqlNode deleteByPrimaryKey() {
		//delete from table
		addSqlNode("DELETE FROM " + resultEntity.tableName());
		//where/if判断条件
		addSqlNode(pkSqlNode());
		return toSqlNode();
	}

	/**
	 * 通过主键删除
	 */
	public SqlNode deleteByPrimaryKeys() {
		//delete from table
		addSqlNode("DELETE FROM " + resultEntity.tableName());
		//where/if判断条件
		addSqlNode(pksSqlNode());
		return toSqlNode();
	}

	/**
	 * 通过 WhereSql 删除
	 */
	public SqlNode deleteByWhereSql(Map<String, Object> paramMap) {
		//delete from table
		addSqlNode("DELETE FROM " + resultEntity.tableName());
		//where/if判断条件
		addWhereSqlNode(whereSql(paramMap));
		return toSqlNode();
	}
}
